Haynesite Mineral Data

Haynesite Mineral Data
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General Haynesite Information

Help on Chemical Formula: Chemical Formula: (UO2)3(SeO3)2(OH)2•5(H2O)
Help on Composition: Composition: Molecular Weight = 1,188.09 gm
   Uranium   60.10 %  U    68.18 % UO2
   Hydrogen   1.02 %  H     9.10 % H2O
   Selenium  13.29 %  Se   18.68 % SeO2
   Oxygen    25.59 %  O
            ______        ______ 
            100.00 %       95.96 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (UO2)3(SeO3)2(OH)2•5(H2O)
Help on Environment: Environment: Found as crusts on mudstones and sandstones of the Morrison formation.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Repete mine near Blanding, San Juan County, Utah. USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Patrick Haynes, U.S. Geologist who first collected the mineral.
Help on Name Pronunciation: Name Pronunciation: Haynesite + Pronunciation Say HAYNESITE
Help on Synonym: Synonym: IMA1990-024
 

Haynesite Image

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Haynesite

Comments: Yellow tufts of haynesite.
Location: Repete mine, San Juan County, Utah, USA. Scale: Crystal size 0.5 mm.
© Tom Loomis / Dakota Matrix
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Haynesite

Comments: Bright yellow sunburst clusters of haynesite on a fracture surface..
Location: Repete Mine, San Juan Co., Utah, USA. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Haynesite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.4604:1:0.3989
Help on Cell Dimensions: Cell Dimensions: a = 8.025, b = 17.43, c = 6.953, Z = 2; V = 972.56 Den(Calc)= 4.06
Help on Crystal System: Crystal System: OrthorhombicSpace Group: Pnc2,Pncm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.01(1), 2.912(0.8), 4.01(0.7),
 

Physical Properties of Haynesite

Help on Cleavage: Cleavage: {010} Good
Help on Color: Color: Brownish yellow, Amber.
Help on Density: Density: 4.1
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Rosette - Bundled tabular aggregates resembling rose flower petals.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: Fluorescent, Short UV=yellowish green.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Haynesite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.311 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.324 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1795,KPDmeas= 0.1777,KC= 0.1355
Ncalc = 1.55 - 1.56
Help on Optical Data: Optical Data: Biaxial (-), a=1.618, b=1.783, g=1.785, bire=0.1670, 2V(Calc)=10, 2V(Meas)=45.
Help on Pleochroism (x): Pleochroism (x): pale yellow.
Help on Pleochroism (y): Pleochroism (y): bright yellow.
Help on Pleochroism (z): Pleochroism (z): bright yellow.
 

Calculated Properties of Haynesite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.51 gm/cc
note: Specific Gravity of Haynesite =4.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEHaynesite =1,605.53 barns/electron
U=PEHaynesite x relectron=5,629.21 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 4,381,060.85 (Gamma Ray American Petroleum Institute Units)
Concentration of Haynesite per GRapi unit = 228.26 (PPB)

Haynesite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 6.94 ± 1.74 grams of pure Haynesite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 694.28 ±173.57 grams of pure Haynesite .

Estimated Radioactivity from Haynesite - very strong
Specimen
Size
Weight/Volume
(Sphere) *		 Calculated
Activity
Bequerols
(Bq)		 Calculated
Activity
Curies (Ci)		 Estimated
Activity
GR(api)		 Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 7.75 cm 107,585,669 2.91E-03 4,381,060.85 1,440.35
100 gm / 3.60 cm 10,758,567 2.91E-04 438,106.09 144.03
10 gm / 1.67 cm 1,075,857 2.91E-05 43,810.61 14.40
1 gm / 7.75 mm 107,586 2.91E-06 4,381.06 1.44
0.1 gm / 3.60 mm 10,759 2.91E-07 438.11 0.14
0.01 gm / 1.67 mm 1,076 2.91E-08 43.81 0.01
0.001 gm / 0.78 mm 108 2.91E-09 4.38 0.00

Weight of pure Haynesite in grams (gm) and Calculated Diameter of a Sphere with a Density of 4.10 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
 

Haynesite Classification
Help on Dana Class: Dana Class: 34.07.07.01 (34)Selenites - Tellurites - Sulfites
  (34.07)Dana Type
  (34.07.07)Dana Group
 
34.07.07.01 Haynesite (UO2)3(SeO3)2(OH)2•5(H2O) Pnc2,Pncm Ortho
 
34.07.07.02 Larisaite! Na(H3O)(UO2)3(SeO3)2O2•4(H2O) Pm 2
Help on Strunz Class: Strunz Class: 04.JJ.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JJ -Selenites with additional anions, with H2O
 
04.JJ.25 Haynesite (UO2)3(SeO3)2(OH)2•5(H2O) Pnc2,Pncm Ortho
 

Other Haynesite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Haynesite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Uranium Minerals

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Print or Cut-and-Paste your Haynesite Specimen Label here :

Haynesite

(UO2)3(SeO3)2(OH)2•5(H2O)
Dana No: 34.07.07.01 Strunz No: 04.JJ.25
Locality:

 

Notes: